A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer
Overview
Sex
Female
Age
0.5 yrs
State
MI
Recovered
Unknown
Vaccinated
Jan 27, 2026
Onset
Jan 27, 2026
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
MMRV
MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)
MERCK & CO. INC.
1
—
IM / RL
Symptoms (3)
Injection site erythemaInjection site indurationVaccination error
Symptom narrative
Vaccine given in error; redness at site and firm around the site